重点讲解：
1. a little bit
少许；一点儿；
eg. I'm certainly going, but I'll be a little bit late.
我去是去，可是得晚一点儿^hj0CGp-3wj_。
eg. Helen sing a little bit worse.
海伦唱得稍微差一点0]N%pS2z[y)^eJxzJ0I。
2. believe in
相信；
eg. I don't believe in ghosts.
我不相信有鬼UaH;1z1Sl4Uo)mxp-Y=。
eg. It's no use citing the Bible to somebody who doesn't believe in God.
对不信上帝的人引用圣经的话是没用的PAnq^|O[If|。
3. act as
起作用；充当；
eg. He acted both as the ship's surgeon and as chaplain for the men.
他在船上为水手们兼作外科医生和牧师rrBy2[E+*aACU*p。
eg. Hopefully his punishment will act as a deterrent to others.
对他的惩罚但愿能起到杀一儆百的作用08eI0iyNnD=Z07。
eg. Maybe I can act as a messenger for you.
也许我能给你当信差IDcq)SJ,ga!I。